look up any word, like ebola-head:
1. When you keep watching more videos from the "related videos" section until you realize that you're watching videos completely unrelated to what you started watching

2. The very minor connection between two otherwise unrelated youtube videos
Steve: I found a cool video explaining the debt crisis while watching videos of Will Ferrell's Bush impression from SNL.

Greg: That's one hell of a youtube tangent.
by h4x2tehm4x October 18, 2011